Magnetic Fields

  • #1
Magnetic Fields!!!

I have to choose which of these are true false. And they are really confusing me.

I know that the equation is F=qvB. However I am not sure what makes the problem different with constant velocity. Any help would be wonderful

Consider a charged particle moving with a constant velocity. Which of the following statements are true?
(Give ALL correct answers: B, AC, BCD.., or None)

A) The magnitude of the magnetic field generated by the charge is zero on the line of the moving charge.
B) The magnitude of the magnetic field generated by the charge is inversely proportional to the charge of the particle.
C) The magnitude of the magnetic field generated by the charge is inversely proportional to the speed of the particle.
D) The magnitude of the magnetic field generated by the charge is proportional to 1/r2 where r is the distance from the charge.
E) There is an electric field generated by the moving charge.
 

Answers and Replies

  • #2
224
0
You're using the wrong equation. Try [tex] \v{B} = \mu q \v{v} \times \v{r} / (4\pi r^2) [/tex]
 

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